/***** BEGIN LICENSE BLOCK *****
 * Version: CPL 1.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Common Public
 * License Version 1.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/cpl-v10.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Copyright (C) 2002 Benoit Cerrina <b.cerrina@wanadoo.fr>
 * Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
 * Copyright (C) 2002-2004 Jan Arne Petersen <jpetersen@uni-bonn.de>
 * Copyright (C) 2004-2005 Thomas E Enebo <enebo@acm.org>
 * Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>
 * 
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 ***** END LICENSE BLOCK *****/
package asruby.runtime.methods {

import asruby.Ruby;
import asruby.exceptions.JumpException;
import asruby.lang.RubyModule;
import asruby.runtime.Arity;
import asruby.runtime.Block;
import asruby.runtime.IRubyObject;
import asruby.runtime.JumpTarget;
import asruby.runtime.ThreadContext;
import asruby.runtime.Visibility;
import asruby.runtime.callback.Callback;

/**
 */
public class FullFunctionCallbackMethod extends DynamicMethod implements JumpTarget {
    private  var callback:Callback;

    public  function FullFunctionCallbackMethod(implementationClass:RubyModule, callback:Callback, visibility:Visibility){
        super(implementationClass, visibility, CallConfiguration.FRAME_ONLY);
        this.callback = callback;
    }

    public override function call(context:ThreadContext, self:IRubyObject, clazz:RubyModule, name:String, args:Array, block:Block):IRubyObject{
        callConfig.pre(context, self, clazz, getArity(), name, args, block, null, this);
            
        //assert args != null;
        var runtime: Ruby =  context.getRuntime();
        /* var isTrace: Boolean =  runtime.hasEventHooks();

        if (isTrace) {
            runtime.callEventHooks(context, EventHook.RUBY_EVENT_C_CALL, context.getFile(), context.getLine(), name, getImplementationClass());
        } */

        try {
            var obj:IRubyObject = callback.execute(self, args, block);
            callConfig.post(context);
            return obj;
        } catch (rj:JumpException) {
            if (rj.getTarget() == this) return IRubyObject(rj.getValue());

            throw rj;
        } /* finally {
            if (isTrace) {
                runtime.callEventHooks(context, EventHook.RUBY_EVENT_C_RETURN, context.getFile(), context.getLine(), name, getImplementationClass());
            }
        } */
        return null;
    }
    
    public  function getCallback():Callback{
        return callback;
    }

    public override function getArity():Arity{
        return getCallback().getArity();
    }
    
    public override function dup():DynamicMethod{
        return new FullFunctionCallbackMethod(getImplementationClass(), callback, getVisibility());
    }
}
}